* {
    margin: 0;
    padding: 0;
}

.web {
    .drawBox {
        top: 50%;
        left: 50%;
        width: 640px;
        height: 640px;
        border: 2px solid red;
        box-sizing: border-box;
        margin-left: 400px;
        margin-top: 100px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        div {
            width: 200px;
            height: 200px;
            font-size: 28px;
            text-align: center;
            background-color: #ff0;
            color: #000;
            line-height: 200px;
            border: 2px solid skyblue;
            user-select: none;
            &:nth-child(1) {
                order: 1;
            }
            &:nth-child(2) {
                order: 2;
            }
            &:nth-child(3) {
                order: 3;
            }
            &:nth-child(4) {
                order: 6;
            }
            &:nth-child(5) {
                order: 9;
            }
            &:nth-child(6) {
                order: 8;
            }
            &:nth-child(7) {
                order: 7;
            }
            &:nth-child(8) {
                order: 4;
            }
            &:nth-child(9) {
                order: 5;
            }
            &.active {
                color: #ff0;
                background-color: #f00;
                transform: scale(.95);
                border-radius: 25%;
            }
            &.startBtn {
                background-color: #c1c1c1;
                color: #fff;
                border-radius: 50%;
                cursor: pointer;
            }
        }
    }
}